import java.util.Stack;

public class Test {

        /**
         * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
         *
         * @param pushV int整型一维数组
         * @param popV  int整型一维数组
         * @return bool布尔型
         */
        public  static boolean IsPopOrder(int[] pushV, int[] popV) {
            // write code here
            Stack<Integer> stack = new Stack<>();
            int size = 0;
            for (int i = 0; i < pushV.length; i++) {
                stack.push(pushV[i]);
                while (!stack.isEmpty()&&stack.peek() == popV[size]) {
                    size++;
                    stack.pop();
                }

            }
            if (stack.isEmpty()) {
                return true;
            }


            return false;

    }
    public static void main(String[] args) {
        int[] a={1,2,3,4,5} ;
                int[] b={4,5,3,2,1};
        System.out.println(IsPopOrder(a, b));
    }
}
